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A certain LCD projector contains a single thin lens. An object 29.5 mm high is to be projected so that its upright image fills a screen 2.52 m high. The object-to-screen distance is 2.45 m.
a.) Find the focal length of the projection lens.
b.) How far from the object should the lens of the projector be placed in order to form the image on the screen?
In effect, the first circular dark fringe in the diffraction pattern defines the size of the central bright spot on the moon. find the diameter (not the radius) of the central bright spot on the moon.
A sample of ethyl alcohol (C2H5OH) has a density of 806 kg/m3 and a volume of 1.73 x 10-3 m3. find the number of molecules in the sample
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An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 21.2 cm to the left of the diverging lens. How far is the object from the converging lens
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The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair
A child on a sled starts from rest at the top of a 15.0 degree slope. If the trip to the bottom takes 15.2s, how long is the slope
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